In the industrial production of hydrogen from natural gas, carbon (IV) oxide produced along with the hydrogen is removed by?
-
washing with water under pressure
- passing the mixture into lime water
- using ammoniacal copper (l) chloride
- drying over phoshorus (V) oxide
The correct answer is: A
Explanation
The carbon (IV) oxide produced along with the hydrogen is removed by dissolving it in water under a pressure of 30atm or other solvents like caustic soda solution.